In response to the March 24 Perspectives column by Charles Cooper, "": I think you must realize that a huge proportion of the spam that hits mailboxes is sent using some form of abuse, with abuse of ...
We're having problems with open relay on Microsoft Exchange Server 2000. We tried to shut down SMTP, clean out queues, turn off relaying, etc., but nothing worked. For a quick fix, we set up a ...
I once new a way of checking for an open relay by telneting into port 25 on the smtp server. I have since forgotten. Can anyone reffresh my memory as I dont want to leave my mail server open to ...
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